Home / 103,960.02-155,916.50-47,746.09

Finding the Fourth Proportional to 103,960.02, 155,916.50 and 47,746.09

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Solution

The fourth proportional to 103,960.02, 155,916.50 and 47,746.09 is: 71,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,960.02 : 155,916.50 = 47,746.09 : x
  2. Step 2: Convert to fraction form
    103,960.02/155,916.50 = 47,746.09/x
  3. Step 3: Cross multiply
    103,960.02x = 155,916.50 × 47,746.09
  4. Step 4: Simplify right side
    103,960.02x = 7,444,403,241.49
  5. Step 5: Solve for x
    x = 7,444,403,241.49/103,960.02
  6. Step 6: Final answer
    x = 71,608.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.